Features
- Answer updates as you type.
- Clear breakdown you can copy.
- Works on phone and desktop.
Free and private
The calculation runs in your browser. Nothing you type is sent or stored, and there is no limit.
Questions
What is the 4% rule?
A guideline that you can withdraw about 4% of your savings a year for 30 years; so you need about 25× your yearly spending.
Is it free?
Yes - free and unlimited, with no sign-up and no watermark.